Willis T. (Willis Thomas) Lee

Before he became known for his books and reports, he grew up in Brooklyn, Pennsylvania, studied at Wyoming Seminary, Wesleyan University, the University of Chicago, and Johns Hopkins University, and taught geology. He later joined the U.S. Geological Survey, where his fieldwork took him across the American West.

He wrote about places such as the Grand Canyon, Yellowstone, Petrified Forest, and Rocky Mountain National Park, often pairing geology with his own photographs. His work also helped bring public attention to cave landscapes, especially Carlsbad Cavern, after National Geographic articles in the 1920s introduced many readers to its dramatic underground world.

Late in his career, he continued investigating major cave regions, including Mammoth Cave in Kentucky. His writing is still of interest today because it captures an era when geology, exploration, and the growing national park movement were closely connected.